Show a FULL bottle of cola and a cylinder that is shorter than the bottle Place the cylinder over top of the bottle - since it is shorter, the top of the bottle can still be seen. Everything is then covered with a hanky. When the hanky is removed the BOTTLE IS GONE!The cylinder is shown to be Empty!

Show a FULL bottle of cola and a cylinder that is shorter than the bottle Place the cylinder over top of the bottle - since it is shorter, the top of the bottle can still be seen. Everything is then covered with a hanky. When the hanky is removed the BOTTLE IS GONE! The cylinder is shown to be Empty!